KR20040084904A - 자구확장 판독을 위한 데이터 의존 자기장 전환 방법 및장치와 이 방법에 사용되는 기록매체 - Google Patents

자구확장 판독을 위한 데이터 의존 자기장 전환 방법 및장치와 이 방법에 사용되는 기록매체 Download PDF

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Publication number
KR20040084904A
KR20040084904A KR10-2004-7012418A KR20047012418A KR20040084904A KR 20040084904 A KR20040084904 A KR 20040084904A KR 20047012418 A KR20047012418 A KR 20047012418A KR 20040084904 A KR20040084904 A KR 20040084904A
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KR
South Korea
Prior art keywords
magnetic field
reading
layer
read
length
Prior art date
Application number
KR10-2004-7012418A
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English (en)
Korean (ko)
Inventor
에이. 페르슈렌코엔
Original Assignee
코닌클리케 필립스 일렉트로닉스 엔.브이.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 코닌클리케 필립스 일렉트로닉스 엔.브이. filed Critical 코닌클리케 필립스 일렉트로닉스 엔.브이.
Publication of KR20040084904A publication Critical patent/KR20040084904A/ko

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
    • G11B11/10515—Reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
KR10-2004-7012418A 2002-02-14 2003-01-24 자구확장 판독을 위한 데이터 의존 자기장 전환 방법 및장치와 이 방법에 사용되는 기록매체 KR20040084904A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02075598 2002-02-14
EP02075598.9 2002-02-14
PCT/IB2003/000202 WO2003069614A2 (en) 2002-02-14 2003-01-24 Method and device for data dependent field switching for domain expansion reading and record carrier for use by the method

Publications (1)

Publication Number Publication Date
KR20040084904A true KR20040084904A (ko) 2004-10-06

Family

ID=27675714

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2004-7012418A KR20040084904A (ko) 2002-02-14 2003-01-24 자구확장 판독을 위한 데이터 의존 자기장 전환 방법 및장치와 이 방법에 사용되는 기록매체

Country Status (8)

Country Link
US (1) US20050146991A1 (zh)
EP (1) EP1479077A2 (zh)
JP (1) JP2005518057A (zh)
KR (1) KR20040084904A (zh)
CN (1) CN1630906A (zh)
AU (1) AU2003201142A1 (zh)
TW (1) TWI280561B (zh)
WO (1) WO2003069614A2 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050094499A1 (en) * 2001-12-07 2005-05-05 Verschuren Coen A. Asymmetric run length constraints for increased resolution and power margin in mammos read-out

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4080538B2 (ja) * 1996-08-27 2008-04-23 日立マクセル株式会社 光磁気記録媒体の再生方法及び再生装置
WO1999035644A1 (fr) * 1998-01-12 1999-07-15 Hitachi Maxell, Ltd. Procede et dispositif de reproduction magneto-optique
JP2000149344A (ja) * 1998-11-05 2000-05-30 Hitachi Ltd 情報記録方法、情報記録再生方法、情報再生方法、情報記録装置、情報記録再生装置及び情報再生装置
US6477118B1 (en) * 1998-11-27 2002-11-05 Hitachi Maxell, Ltd. Method and apparatus for recording and reproducing information by applying field in a direction other than the direction of magnetization or the direction to a surface of an information recording medium
JP2000260079A (ja) * 1999-01-07 2000-09-22 Hitachi Maxell Ltd 光磁気記録媒体の記録方法及び記録装置
US6385141B1 (en) * 1999-01-07 2002-05-07 Hitachi Maxell Ltd. Magneto-optical recording method capable of adjusting the sizes magnetic domain
JP2001056977A (ja) * 1999-08-18 2001-02-27 Hitachi Maxell Ltd 光磁気記録媒体の再生方法及び再生装置
JP2001148143A (ja) * 1999-11-19 2001-05-29 Sanyo Electric Co Ltd 光磁気ディスク装置および再生方法
CN1446357A (zh) * 2000-06-09 2003-10-01 三洋电机株式会社 使用了直流磁场的能够磁区放大再生的光磁盘装置,再生方法以及记录再生方法

Also Published As

Publication number Publication date
AU2003201142A8 (en) 2003-09-04
CN1630906A (zh) 2005-06-22
WO2003069614A2 (en) 2003-08-21
US20050146991A1 (en) 2005-07-07
JP2005518057A (ja) 2005-06-16
EP1479077A2 (en) 2004-11-24
WO2003069614A3 (en) 2004-01-08
TW200307248A (en) 2003-12-01
AU2003201142A1 (en) 2003-09-04
TWI280561B (en) 2007-05-01

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